Re: [PATCH] MM: Support more pagesizes for MAP_HUGETLB/SHM_HUGETLBv6

From: Benjamin Herrenschmidt
Date: Mon Oct 22 2012 - 23:01:41 EST

On Mon, 2012-10-22 at 18:23 +0200, Michael Kerrisk (man-pages) wrote:
> Since PowerPC already allows 16GB page sizes, doesn't there need to be
> allowance for the possibility of future expansion? Choosing a larger
> minimum size (like 2^16) would allow that. Does the minimum size need
> to be 16k? (Surely, if you want a HUGEPAGE, you want a bigger page
> than that? I am not sure.)

I can't say for sure what we're going to come up with in 5 years but so
far, I am not aware of plans to go beyond 16G just yet :-)


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